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Finding the Fourth Proportional to 110,637.52, 166,038.76 and 82,239.84

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Solution

The fourth proportional to 110,637.52, 166,038.76 and 82,239.84 is: 123,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,637.52 : 166,038.76 = 82,239.84 : x
  2. Step 2: Convert to fraction form
    110,637.52/166,038.76 = 82,239.84/x
  3. Step 3: Cross multiply
    110,637.52x = 166,038.76 × 82,239.84
  4. Step 4: Simplify right side
    110,637.52x = 13,655,001,056.20
  5. Step 5: Solve for x
    x = 13,655,001,056.20/110,637.52
  6. Step 6: Final answer
    x = 123,421.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.